tailieunhanh - Lecture Chapter 4: Beginning the analysis - Investigating system requirements

Lecture "Chapter 4: Beginning the analysis - Investigating system requirements" provides students with the knowledge: The analysis phase in more detail, system requirements, techniques for Information gathering, conduct interviews and discussions with users, activity diagram showing concurrent paths,. Invite you to consult. | Learning Objectives Chapter 4 Beginning the Analysis Investigating System Requirements Systems Analysis and Design in a Changing World 3rd Edition Describe the activities of the systems analysis life cycle phase Explain the effect of business process reengineering on activities of the analysis phase Describe the difference between functional and nonfunctional system requirements Identify and understand the different types of users who will be involved in investigating system requirements Systems Analysis and Design in a Changing World 3rd Edition 2 __________________________________ 11 Learning Objectives continued Describe the kind of information that is required to develop system requirements Determine system requirements through review of documentation interviews observation prototypes questionnaires vendor research and joint application design sessions Discuss the need for validation of system requirements to ensure accuracy and completeness and the use of a structured walkthrough Systems Analysis and Design in a Changing World 3rd Edition 3 zz B Overview Analysis phase of SDLC skills needed Fact-finding for investigation of system requirements Analyst should learn details of business processes and daily operations Analyst should become as knowledgeable as business domain users to build credibility Analyst brings fresh perspective to problem Modeling of business processes based on system requirements Systems Analysis and Design in a Changing World 3rd Edition 4 ________________ _______________________. The Analysis Phase in More Detail Gather information Define system requirements Logical model and physical model Prioritize requirements Prototype for feasibility and discovery Generate and evaluate alternatives Review recommendations with management Systems Analysis and Design in a Changing World 3rd Edition 5 ____________________________________________________________ D The Activities of the Analysis Phase FIGURE 4-1 The activities of the analysis phase. .